These purple top blood tubes provide an efficient means of serum sample preparation and help to improve laboratory workflow. EDTA K2. Available in multiple tube sizes and volume capacity.
Currently the United States is experiencing significant interruptions in the supply of blood specimen collection (blood draw) tubes because of an increase in demand during the COVID-19 public health emergency and recent vendor supply challenges.
On January 19, 2022, the FDA updated the device shortage list to include all blood specimen collection tubes. Previously, on June 10, 2021, the FDA added only sodium citrate (light blue top) tubes to the device shortage list.
These blood tubes are manufactured by our partners in China. These tubes are made to spec of the BD comparison.
**Due to the current state of the ports in China, please allow up to 6 weeks for delivery.**
||13 x 75mm or 13 x 100mm
||Purple cap blood tube
|Max Vacuum Tolerance
||4~25° C / Humidity ≤ 80%
Shipping, Payment, & Returns
Bttn provides free shipping on all of our products. Expected delivery times range from 7-14 business days.
Payments are accepted via card, check, or PO.
If you are paying by check, please promptly send all checks to 146 N Canal St Suite 300, Seattle, WA 98103.
If paying by PO follow the steps below:
1) Ensure that your Purchase Order correctly reflects the order placed on bttnusa.com
2) Download your organization's PO to your computer
3) Open your email application
4) Create a new email with the subject line "Bttn (Order #)" PO
5) Add email@example.com as the recipient
6) Attach your organization's PO
7) Press Send
30-day return policy.
You can request a return up to 30 days after receiving your item. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Contact us for any return questions at firstname.lastname@example.org